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140253320 = 2358939397
BaseRepresentation
bin10000101110000…
…01100010001000
3100202220121101102
420113001202020
5241401101240
621530040532
73322063544
oct1027014210
9322817342
10140253320
1172195439
123ab79148
132309873c
14148aca24
15c4a6815
hex85c1888

140253320 has 32 divisors (see below), whose sum is σ = 319123800. Its totient is φ = 55469568.

The previous prime is 140253313. The next prime is 140253341. The reversal of 140253320 is 23352041.

It is a happy number.

140253320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106543684 + 33709636 = 10322^2 + 5806^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140253292 and 140253301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16139 + ... + 23258.

Almost surely, 2140253320 is an apocalyptic number.

140253320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140253320 is an abundant number, since it is smaller than the sum of its proper divisors (178870480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140253320 is a wasteful number, since it uses less digits than its factorization.

140253320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39497 (or 39493 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140253320 is about 11842.8594520074. The cubic root of 140253320 is about 519.5624030544.

The spelling of 140253320 in words is "one hundred forty million, two hundred fifty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 39397 78794 157588 196985 315176 393970 787940 1575880 3506333 7012666 14025332 17531665 28050664 35063330 70126660 140253320